Features
grade b class 1 mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
1.100 inches
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Axial Thickness:
0.120 inches
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Equivalent Focal Length:
18.000 inches
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Back Focal Length:
17.921 inches
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Front Focal Length:
18.120 inches
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Refraction Index:
1.5170
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Abbe Constant:
64.500
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Single Lens Style:
Plano-convex
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Individual Lens Style:
Plano-convex
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Element Left Surface Radius:
9.306 inches
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Element Right Surface Radius:
9.306 inches
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Material:
Glass, optical, mil-g-174, class 1, grade b
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Fsc Application Data:
Range finder m12, integrated with fire control equipment
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-302-1286